2 Kings 14:21

21 And all the people of Judah took Azari'ah, who was sixteen years old, and made him king instead of his father Amazi'ah.

2 Kings 14:21 Meaning and Commentary

2 Kings 14:21

And all the people of Judah took Azariah
Called Uzziah in the next chapter, and so in the book of Chronicles; both names signifying much the same, the one "the help of the Lord", the other "the strength of the Lord":

(which was sixteen years old;)
yet as he began to reign in the twenty seventh year of Jeroboam, ( 2 Kings 15:1 ) and Jeroboam began to reign in the fifteenth yaer of Amaziah, ( 2 Kings 14:23 ) , he could be but four years of age, for the solution of which, (See Gill on 2 Kings 15:1):

and made him king instead of his father Amaziah;
which was after his death, and not when he fled to Lachish, as Kimchi thinks.

2 Kings 14:21 In-Context

19 And they made a conspiracy against him in Jerusalem, and he fled to Lachish. But they sent after him to Lachish, and slew him there.

20 And they brought him upon horses; and he was buried in Jerusalem with his fathers in the city of David.

21 And all the people of Judah took Azari'ah, who was sixteen years old, and made him king instead of his father Amazi'ah.

22 He built Elath and restored it to Judah, after the king slept with his fathers.

23 In the fifteenth year of Amazi'ah the son of Jo'ash, king of Judah, Jerobo'am the son of Jo'ash, king of Israel, began to reign in Sama'ria, and he reigned forty-one years.